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Pentasauropus
Taxonomy
Pentasauropus was named by Ellenberger (1970). It is considered to be a form taxon. Its type is Pentasauropus incredibilis. It is the type genus of Pentasauropodidae.
It was assigned to Dinosauria by Ellenberger (1970); to Pentasauropodia by Ellenberger (1972); to Pentasauropodidae by Olsen and Galton (1984); to Prosauropoda by Romero Molina et al. (2003); and to Dicynodontia by D'Orazi Porchetti and Nicosia (2007).
It was assigned to Dinosauria by Ellenberger (1970); to Pentasauropodia by Ellenberger (1972); to Pentasauropodidae by Olsen and Galton (1984); to Prosauropoda by Romero Molina et al. (2003); and to Dicynodontia by D'Orazi Porchetti and Nicosia (2007).
Synonymy list
| Year | Name and author |
|---|---|
| 1970 | Pentasauropus Ellenberger p. 344 |
| 1972 | Pentasauropus Ellenberger p. 152 |
| 1984 | Pentasauropus Olsen and Galton p. 97 |
| 2003 | Pentasauropus Romero Molina et al. p. 24 |
| 2007 | Pentasauropus D'Orazi Porchetti and Nicosia p. 235 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Pentasauropus Ellenberger 1970
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†Pentasauropus argentinae Lagnaoui et al. 2019
†Pentasauropus incredibilis Ellenberger 1970
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Invalid names: Pentasauropus erectus Ellenberger 1970 [synonym], Pentasauropus maphutsengi Ellenberger 1970 [synonym], Pentasauropus morobongensis Ellenberger 1970 [synonym], Pentasauropus motlejoi Ellenberger 1970 [synonym], Tetrasauropus gigas Ellenberger 1970 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| S. D'Orazi Porchetti and U. Nicosia 2007 | Pentasauropus is the trackway of a quadruped, with very low heteropody. The track is usually wide, with a reduced pace angulation, hand and foot axes face forward, or inward. When present the foot sole is rounded. No tail traces are noticed.The main characters shown by this ichnotaxon are five equally spaced traces of digits forming a broad arcuate pattern that is convex anteriorly. |